SN74LS74ANAlternatives & Equivalent Parts
About SN74LS74AN
SN74LS74AN is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Dual-In-Line Packages package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
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Specification Comparison
| Parameter | SN74LS74ANSource | SN74LS74ANE4 | CY74FCT2543CTQCT | SN74LS74ADRG4 | 74HCT4538N | SN74HC139D | SN74LS74ANSR | SN74LS74ANSRG4 |
|---|---|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Nexperia | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | Dual-In-Line Packages | — | Small Outline Packages | Small Outline Packages | Dual-In-Line Packages | — | Small Outline Packages | Small Outline Packages |
| Pin Count | 14 | — | 24 | 14 | 16 | — | 14 | 14 |
| Temperature Range | ~ 70.0°C | — | -40.0°C ~ 85.0°C | ~ 70.0°C | — | — | ~ 70.0°C | ~ 70.0°C |
| Price | $0.2400 | $0.3450 | $0.5168 | $0.2063 | $0.7560 | $0.5315 | $0.0493 | $0.2319 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | — | ACTIVE | ACTIVE | — | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | ||||||||
| Pbfree Code | Yes | — | Yes | Yes | — | — | Yes | Yes |
| YTEOL | 15 | — | 15 | 15 | — | 0 | 15 | 15 |
| Family | LS | — | FCT | LS | — | HC/UH | LS | LS |
| JESD-30 Code | R-PDIP-T14 | — | R-PDSO-G24 | R-PDSO-G14 | — | R-PDSO-G16 | R-PDSO-G14 | R-PDSO-G14 |
| JESD-609 Code | e4 | — | e4 | e4 | — | e4 | e4 | e4 |
| Load Capacitance (CL) | 15 pF | — | 50 pF | 15 pF | — | 50 pF | 15 pF | 15 pF |
| Logic IC Type | D FLIP-FLOP | — | REGISTERED BUS TRANSCEIVER | D FLIP-FLOP | — | 2-LINE TO 4-LINE DECODER | D FLIP-FLOP | D FLIP-FLOP |
| Max Frequency@Nom-Sup | 25000000 Hz | — | — | 25000000 Hz | — | — | 25000000 Hz | 25000000 Hz |
| Max I(ol) | 0.008 A | — | 0.012 A | 0.008 A | — | 0.0052 A | 0.008 A | 0.008 A |
| Number of Bits | 1 | — | 8 | 1 | — | 4 | 1 | 1 |
| Number of Functions | 2 | — | 8 | 2 | — | 2 | 2 | 2 |
| Output Polarity | COMPLEMENTARY | — | TRUE | COMPLEMENTARY | — | INVERTED | COMPLEMENTARY | COMPLEMENTARY |
| Package Body Material | PLASTIC/EPOXY | — | PLASTIC/EPOXY | PLASTIC/EPOXY | — | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | DIP14,.3 | — | SSOP24,.24 | SOP14,.25 | — | SOP16,.25 | SOP14,.3 | SOP14,.3 |
| Package Shape | RECTANGULAR | — | RECTANGULAR | RECTANGULAR | — | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | IN-LINE | — | SMALL OUTLINE, SHRINK PITCH | SMALL OUTLINE | — | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE |
| Packing Method | TUBE | — | TR | TR | — | TUBE | TR | TR |
| Power Supply Current-Max (ICC) | 8 mA | — | 0.2 mA | 8 mA | — | 0.08 mA | 8 mA | 8 mA |
| Prop. Delay@Nom-Sup | 40 ns | — | 8.5 ns | 40 ns | — | 44 ns | 40 ns | 40 ns |
| Propagation Delay (tpd) | 40 ns | — | 7 ns | 40 ns | — | 220 ns | 40 ns | 40 ns |
| Qualification Status | Not Qualified | — | Not Qualified | Not Qualified | — | Not Qualified | Not Qualified | Not Qualified |
| Supply Voltage-Max (Vsup) | 5.25 V | — | 5.25 V | 5.25 V | — | 6 V | 5.25 V | 5.25 V |
| Supply Voltage-Min (Vsup) | 4.75 V | — | 4.75 V | 4.75 V | — | 2 V | 4.75 V | 4.75 V |
| Supply Voltage-Nom (Vsup) | 5 V | — | 5 V | 5 V | — | 5 V | 5 V | 5 V |
| Surface Mount | NO | — | YES | YES | — | YES | YES | YES |
| Technology | TTL | — | CMOS | TTL | — | CMOS | TTL | TTL |
| Temperature Grade | COMMERCIAL | — | INDUSTRIAL | COMMERCIAL | — | INDUSTRIAL | COMMERCIAL | COMMERCIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | — | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | — | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | THROUGH-HOLE | — | GULL WING | GULL WING | — | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 2.54 mm | — | 0.635 mm | 1.27 mm | — | 1.27 mm | 1.27 mm | 1.27 mm |
| Terminal Position | DUAL | — | DUAL | DUAL | — | DUAL | DUAL | DUAL |
| Trigger Type | POSITIVE EDGE | — | — | POSITIVE EDGE | — | — | POSITIVE EDGE | POSITIVE EDGE |
| fmax-Min | 35 MHz | — | — | 35 MHz | — | — | 35 MHz | 35 MHz |
| ## SN74LS74AN Alternates Showing results | Image | — | — | — | — | — | — | — |
| Control Type | — | — | INDEPENDENT CONTROL | — | — | — | — | — |
| Count Direction | — | — | BIDIRECTIONAL | — | — | — | — | — |
| Number of Ports | — | — | 2 | — | — | — | — | — |
| Output Characteristics | — | — | 3-STATE WITH SERIES RESISTOR | — | — | — | — | — |
| Peak Reflow Temperature (Cel) | — | — | 260 | 260 | — | 260 | 260 | 260 |
| Schmitt Trigger | — | — | NO | — | — | — | — | — |
| Time@Peak Reflow Temperature-Max (s) | — | — | 30 | 30 | — | 30 | 30 | 30 |
| ## CY74FCT2543CTQCT Alternates Showing results | — | — | Image | — | — | — | — | — |
| ## SN74LS74ADRG4 Alternates Showing results | — | — | — | Image | — | — | — | — |
| Input Conditioning | — | — | — | — | — | STANDARD | — | — |
| ## SN74HC139D Alternates Showing results | — | — | — | — | — | Image | — | — |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
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Get one quote covering all 7 alternatives for SN74LS74AN — response within 24 hours.
Quick Links
Flip-Flop, LS Series, 2-Func, Positive Edge Triggered, 1-Bit, Complementary Output, TTL, PDIP14
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D Flip-Flop, LS Series, 2-Func, Positive Edge Triggered, 1-Bit, Complementary Output, TTL, PDSO14
D Flip-Flop, LS Series, 2-Func, Positive Edge Triggered, 1-Bit, Complementary Output, TTL, PDSO14
Why Look for Alternatives?
Finding alternatives for SN74LS74AN is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.
When evaluating SN74LS74AN replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.
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FAQ
What is equivalent to SN74LS74AN?
Known equivalents for SN74LS74AN include SN74LS74ANE4, CY74FCT2543CTQCT, SN74LS74ADRG4. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of SN74LS74AN?
In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.
How do I verify SN74LS74AN alternatives?
Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.